74443925 has 12 divisors (see below), whose sum is σ = 92647716. Its totient is φ = 59337600.

The previous prime is 74443921. The next prime is 74443933. The reversal of 74443925 is 52934447.

It can be written as a sum of positive squares in 6 ways, for example, as 9012004 + 65431921 = 3002^2 + 8089^2 .

It is not a de Polignac number, because 74443925 - 2² = 74443921 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74443921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (7720643).

Almost surely, 2^74443925 is an apocalyptic number.

It is an amenable number.

74443925 is a deficient number, since it is larger than the sum of its proper divisors (18203791).

74443925 is a wasteful number, since it uses less digits than its factorization.

74443925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888 (or 10883 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 74443925 is about 8628.0893018095. The cubic root of 74443925 is about 420.6714976413.

The spelling of 74443925 in words is "seventy-four million, four hundred forty-three thousand, nine hundred twenty-five".